Before USMMA: Alger earned varsity letters in both baseball and football at Paul VI Catholic High School. He served as baseball captain and was named to the All-WCAC team as well as the SBC All-Tournament team. Alger was a member of the 2012 Virginia State Championship team, which also captured the 2012 WCAC crown. He is also a member of the National Honor Society and made his way onto the honor roll.